CVE-2018-6686
Drive Encryption (MDE) - Authentication Bypass vulnerability
Authentication Bypass vulnerability in TPM autoboot in McAfee Drive Encryption (MDE) 7.1.0 and above allows physically proximate attackers to bypass local security protection via specific set of circumstances.
Attack profile
How easy it is to exploit
- Attack vector
- Physical
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Drive Encryption (MDE) - Authentication Bypass vulnerability
Authentication Bypass vulnerability in TPM autoboot in McAfee Drive Encryption (MDE) 7.1.0 and above allows physically proximate attackers to bypass local security protection via specific set of circumstances.
- Record
CVE-2018-6686- CVSS 3.0
- 7.0 High
CVSS:3.0/AV:P/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N - Updated
- 2026-11-02
EUVDEUVD-2018-18433
Authentication Bypass vulnerability in TPM autoboot in McAfee Drive Encryption (MDE) 7.1.0 and above allows physically proximate attackers to bypass local security protection via specific set of circumstances.
- Record
EUVD-2018-18433- CVSS 3.0
- 7.0 High
CVSS:3.0/AV:P/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-prcq-gffq-r32v
Authentication Bypass vulnerability in TPM autoboot in McAfee Drive Encryption (MDE) 7.1.0 and...
Authentication Bypass vulnerability in TPM autoboot in McAfee Drive Encryption (MDE) 7.1.0 and above allows physically proximate attackers to bypass local security protection via specific set of circumstances.
- Record
GHSA-prcq-gffq-r32v- CVSS 3.0
- 6.6 Medium
CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-287
- Updated
- 2026-11-02
NVD
Authentication Bypass vulnerability in TPM autoboot in McAfee Drive Encryption (MDE) 7.1.0 and above allows physically proximate attackers to bypass local security protection via specific set of circumstances.
- Record
CVE-2018-6686- CVSS 3.1
- 6.6 Medium
CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 3.0
- 7.0 High
CVSS:3.0/AV:P/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N - CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-287
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-6686 is a high vulnerability (CVSS 7.0) in Mcafee Drive Encryption (mde), published July 27, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.24%, the 15th percentile. No source names a fixed version.